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Date |
Event(s) |
| 1 | 1843 | - 1843—1848: Provisional OR Government
Provisional Oregon Government
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| 2 | 1845 | - 11 Jan 1845: Wasco County Formed
Formed from the parts of Clackamas, Lane, Linn and Marion counties, that were east of the Cascade Range.
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| 3 | 1846 | - 15 Jun 1846: Oregon Country Formed
49th parallel became border between United States and Great Britain.
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| 4 | 1847 | - 28 Dec 1847: Linn County Forrmed
Created from the southern portion of Champoeg County.
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| 5 | 1848 | - 14 Aug 1848—14 Feb 1859: Oregon Territory
Oregon Territorial Government
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| 6 | 1851 | - 29 Jan 1851: Lane County Formed
Created from the Southern part of Linn County and the part of Benton County east of Umpqua County.
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| 7 | 1853 | - 1853: Washington Territory Formed
created from Oregon territory to include land north of the Columbia river and east of the Snake river.
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| 8 | 1859 | - 14 Feb 1859: OR State Formed
Oregon accepted into the United States of America
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| 9 | 1861 | - 12 Apr 1861—10 May 1865: United States Civil War
War between the Federal Government and the secessionist southern states.
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| 10 | 1914 | - 28 Jul 1914—11 Nov 1918: World War One
World War fought in Europe
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| 11 | 1917 | - 6 Apr 1917: U.S. Enters WWI
United States declares war on the Central Powers (Germany, Austria-Hungry)
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| 12 | 1939 | - 1 Sep 1939—2 Sep 1945: World War Two
war fought on a global scale between the Axis Powers (Germany, Italy, Japan) and the Allied nations (U.S., France, Great Britain)
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| 13 | 1941 | - 7 Dec 1941: Attack on Pearl Harbor
Japan attacks U.S. Pacific Fleet at Pearl Harbor Hawaii. United States declares war on Japan and Germany.
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